There is Oyama Shrine in Innoshima 因島, which is one of those islands in the Setonaikai sea. Oyama shrine looks over Seto Island Sea, and as a god of sea and mountains has been seeing the happiness of people there since ancient times.

Gods are enshrined in OYAMA SHRINE 大山神社.
Main God Name :OYAMAZUMIOKAMI.
This god is believed as a god for mountain, architecture victory and luck, voyage and traffic.
Another God Name : MIMIGO OKAMI 耳明大神.
This god is believed as a god for the illness of ears and misfortune.

Legend of MIMIGO OKAMI:
Long time ago, a grandmother's grand child suddenly could not hear. This is why "MIMIGO Shrine" as has been recognized as a God that can heal the illness of ears, and many people worship it. This shrine first became known among fishermen.

Since old days, as a turban shell is similar to an ear, a custom of giving a turban shell with voice and alcohol has been done when you visit this shrine, you knock at the pillar in the shrine three times, saying "MIMIGOSAN 耳明さん".

It is the only one shrine in Japan that many people worship for ear problems.

MI MI the third day of the third monthis the Festival of the Ear
３月３日（耳の日）の耳のお祭り